Home / 757,940.08-1,045,929.90-418,401.04

Finding the Fourth Proportional to 757,940.08, 1,045,929.90 and 418,401.04

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Solution

The fourth proportional to 757,940.08, 1,045,929.90 and 418,401.04 is: 577,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,940.08 : 1,045,929.90 = 418,401.04 : x
  2. Step 2: Convert to fraction form
    757,940.08/1,045,929.90 = 418,401.04/x
  3. Step 3: Cross multiply
    757,940.08x = 1,045,929.90 × 418,401.04
  4. Step 4: Simplify right side
    757,940.08x = 437,618,157,927.10
  5. Step 5: Solve for x
    x = 437,618,157,927.10/757,940.08
  6. Step 6: Final answer
    x = 577,378.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.